.body {
background-color: #663399;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
font-family: Arial, sans-serif;
}

fieldset {
background-color: white;
border: 2px solid #ddd;
border-radius: 8px;
padding: 20px;
width: 400px;
}

legend {
font-size: 1.2em;
font-weight: bold;
padding: 0 10px;
}

.form-group {
margin-bottom: 15px;
}

label {
display: inline-block;
width: 80px;
}

input {
width: 200px;
padding: 8px;
border: 1px solid #ddd;
border-radius: 4px;
}

button {
background-color: #663399;
color: white;
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
display: block;
margin: 20px auto 0;
}

.error {
color: red;
font-size: 0.9em;
margin-left: 10px;
display: block;
height: 20px;
}